<template>
	<view class="good-detail-modal" :data-theme="theme()" :class="theme() || ''">
		<!-- #ifdef MP-WEIXIN || APP-PLUS -->
		<view class="tc  header" :style="topBarHeight() == 0 ? '' : 'height:' + topBarHeight() + 'px;padding-top:' + topBarTop() + 'px'">
			<view class="left-icon pr" :style="topBarHeight() == 0 ? '' : 'height:' + topBarHeight() + 'px;'">
				<image class="reg180" @click="goback" src="/static/icon/back-jianatou.png" mode="" style="width: 48rpx;height: 48rpx;"></image>
			</view>
		</view>
		<!-- #endif -->
		<!-- 商品详情模态框 begin -->
		<view class="cover"><image v-if="detail.product_image" :src="detail.product_image" class="image" mode="aspectFill"></image></view>
		<view class="bg-white">
			<view class="good_basic">
				<view class="name text-ellipsis">{{ detail.product_name || '' }}</view>
				<view class="f22 gray9">已售{{ detail.product_sales || '' }}</view>
				<view class="gray6 sell-point" style="line-height: 1.5;">{{ detail.selling_point || '' }}</view>
			</view>
		</view>
		<view class="detail bg-white">
			<view class="wrapper">
				<view class="properties">
					<view class="property" v-if="detail.spec_type == 20">
						<view class="title"><text class="name">规格</text></view>
						<view class="values">
							<view class="value" @click="selecedtSpec(value, key)" v-for="(value, key) in detail.sku" :key="key" :class="{ default: value.checked }">
								{{ value.spec_name }}
							</view>
						</view>
					</view>
					<view class="property" v-if="detail.product_attr.length > 0" v-for="(item, index) in detail.product_attr" :key="index">
						<view class="title">
							<text class="name">{{ item.attribute_name || '' }}</text>
						</view>
						<view class="values">
							<view
								class="value"
								@click="selectAttr(value, key, index)"
								v-if="value != ''"
								v-for="(value, key) in item.attribute_value"
								:key="key"
								:class="{ default: form.show_sku.attr[index] == key }"
							>
								{{ value }}
							</view>
						</view>
					</view>
					<view class="property" v-if="detail.product_feed.length > 0">
						<view class="title"><text class="name">加料</text></view>
						<view class="values">
							<view
								class="value"
								@click="selectFeed(item, index)"
								v-for="(item, index) in detail.product_feed"
								:key="index"
								:class="{ default: form.show_sku.feed[index] != null }"
							>
								+{{ item.feed_name }}
							</view>
						</view>
					</view>
				</view>
			</view>
		</view>
		<view class="spec-bottom">
			<view class="action">
				<view class="d-c d-a-s">
					<view class="left mb10">
						<view class="price">
							<text class="f22 fb ">￥</text>
							<text class="f36 fb mr12">{{ price }}</text>
							<text class="f24 gray9 text-l-t mr10">￥{{ lineprice }}</text>
							<text v-if="bag_type != 1">
								<text class="f22 gray9">打包费￥{{ bag_price() }}</text>
							</text>
						</view>
					</view>
					<view class="f22 gray9">{{ describe() }}</view>
				</view>
				<view class="btn-group">
					<button type="default" plain class="btn theme-borderbtn" size="min" hover-class="none" @click="sub()">
						<view class="icon icon-jian iconfont iconsami-select"></view>
					</button>
					<view class="number">{{ form.show_sku.sum }}</view>
					<button type="primary" class="btn theme-btn" size="min" hover-class="none" @click="add()"><view class="icon icon-jia iconfont iconadd-select"></view></button>
				</view>
			</view>
			<view>
				<view class="add-to-cart-btn" @tap="confirmFunc"><view>加入购物车</view></view>
			</view>
		</view>
		<!--详情内容-->
		<view class="product-content">
			<view class="border-b-e">
				<view class="group-hd d-s-c"><text class="min-name pr f30 fb">详情</text></view>
			</view>
			<view class="content-box" v-html="detail.content"></view>
		</view>
		<!-- 商品详情模态框 end -->
	</view>
</template>

<script>
import utils from '@/common/utils.js';
export default {
	components: {},
	data() {
		return {
			detail: {
				product_attr: [],
				product_feed: [],
				sku: []
			},
			/*是否可见*/
			Visible: false,
			/*表单对象*/
			form: {
				attr: [],
				product_sku_id: [],
				feed: [],
				detail: {

				},
				show_sku: {
					sku_image: '',
					bag_price:''
				},
				shop_supplier_id: 0
			},
			/*当前商品总库存*/
			stock: 0,
			/*选择提示*/
			selectSpec: '',
			/*是否打开过多规格选择框*/
			isOpenSpec: false,
			type: '',
			product_price: '',
			feed_price: 0,
			space_name: '',
			attr_name: [],
			feed_name: [],
			product_lineprice: '',
			delivery: '',
			bag_type: 1,
			dinner_type: 20,
			cart_type: 0,
			table_id: 0,
			clock: false,
			discount_price:0
		}
	},
	computed: {

		
		price: function() {
			if(this.discount_price){
				return ((this.discount_price * 1 + this.product_price * 1) * this.form.show_sku.sum).toFixed(2);
			}else{
				return ((this.feed_price * 1 + this.product_price * 1) * this.form.show_sku.sum).toFixed(2);
			}


		},
		lineprice: function() {
			return ((this.feed_price * 1 + this.product_lineprice * 1) * this.form.show_sku.sum).toFixed(2);
		},
		/*判断增加数量*/
		isadd: function() {
			return this.form.show_sku.sum >= this.stock || this.form.show_sku.sum >= this.form.detail.limit_num;
		},

		/*判断减少数量*/
		issub: function() {
			return this.form.show_sku.sum <= 1;
		}
	},
	watch: {

	},
	onLoad(e) {
		this.product_id = e.product_id;
		this.delivery = e.delivery;
		this.bag_type = e.bag_type;
		this.dinner_type = e.dinner_type;
		this.cart_type = e.cart_type;
		this.table_id = e.table_id || 0;
		this.shop_supplier_id = e.shop_supplier_id || 0;
	},
	onShow() {
		this.getData();
	},
	methods: {
		bag_price: function() {
			let price = this.form.show_sku.bag_price * this.form.show_sku.sum
			return price.toFixed(2);
		},
		goback() {
			uni.navigateBack();
		},
		getData() {
			let self = this;
			self._get('product.product/detail', {
				product_id: self.product_id,
				table_id: self.table_id || 0,
				shop_supplier_id: self.shop_supplier_id || 0
			}, (res) => {
				if (!res.data.detail) {
					self.showError('商品已下架', () => {
						uni.navigateBack()
					})
					return
				}
				/*详情内容格式化*/
				res.data.detail.content = utils.format_content(res.data.detail.content);
				self.detail = res.data.detail;
				this.showGoodDetailModal();
			})
		},
		showGoodDetailModal() {
			let self = this;
			this.detail.sku.forEach((item, index) => {
				item.checked = false;
			})
			let obj = {
				specData: this.detail.sku,
				detail: this.detail,
				shop_supplier_id: this.detail.shop_supplier_id,
				productSpecArr: this.specData != null ? new Array(this.specData.spec_attr.length) : [],
				show_sku: {
					sku_image: '',
					seckill_price: 0,
					attr: [],
					product_sku_id: [],
					feed: [],
					line_price: 0,
					seckill_stock: 0,
					seckill_product_sku_id: 0,
					sum: 1
				}
			};
			self.form = obj;
			self.space_name = '';
			self.attr_name = [];
			self.feed_name = [];
			self.isOpenSpec = true;
			self.initShowSku();
			if (self.form.detail.sku[0].checked == false) {
				self.selecedtSpec(self.form.detail.sku[0], 0)
			}
			if (self.form.detail.product_attr == '') {
				return
			}
			self.form.detail.product_attr.forEach((item, index) => {
				if (!self.form.show_sku.attr[index]) {
					self.selectAttr(item.attribute_value[0], 0, index)
				}
			})
		},
		describe: function() {
			let space_name = this.space_name;
			if (space_name != '') {
				space_name += ';'
			}
			let attr_name = this.attr_name.join(';');
			if (attr_name != '') {
				attr_name += ';'
			}
			let feed_name = this.feed_name.join(',');
			if (feed_name != '') {
				feed_name += ';'
			}

			return space_name + attr_name + feed_name
		},
		/*初始化*/
		initShowSku() {
			this.form.show_sku.sku_image = this.form.detail.product_image;
			this.form.show_sku.product_price = this.form.detail.product_price;
			this.form.show_sku.bag_price = this.form.detail.bag_price;
			this.form.show_sku.product_sku_id = [];
			this.form.show_sku.attr = [];
			this.form.show_sku.feed = [];
			this.form.show_sku.feed.length = this.form.detail.product_feed.length;
			this.form.show_sku.line_price = this.form.detail.line_price;
			this.form.show_sku.stock_num = this.form.detail.product_stock;
			this.form.show_sku.sum = 1;
			this.stock = this.form.detail.product_stock;
		},
		/*选择属性*/
		selecedtSpec(item, index) {
			let self = this;
			if (item.checked) {
				item.checked = false;
				self.form.show_sku.product_sku_id[0] = null;
			} else {
				self.form.detail.sku.forEach((sitem, sindex) => {
					sitem.checked = false;
				})
				item.checked = true;
				self.form.show_sku.product_sku_id[0] = item.product_sku_id;
				self.space_name = item.spec_name;
				self.$set(self.form.show_sku, 'product_price', item.product_price)
				self.$set(self.form.show_sku, 'bag_price', item.bag_price);
				self.$set(self.form.show_sku, 'line_price', item.line_price)
				self.$set(self.form.show_sku, 'stock_num', item.stock_num)
			}
			if (self.form.show_sku.product_sku_id[0] == null) {
				self.initShowSku();
				return;
			}
			// 更新商品规格信息
			self.updateSpecProduct();
		},
		/*选择属性*/
		selectAttr(item, index, aindex) {
			let self = this;
			self.$set(self.form.show_sku.attr, aindex, index);
			self.attr_name[aindex] = item;
			// 更新商品规格信息
			self.updateSpecProduct();
		},
		/*选择加料*/
		selectFeed(item, index) {
			let self = this;
			if (self.form.show_sku.feed[index] || self.form.show_sku.feed[index] === 0) {
				self.$set(self.form.show_sku.feed, index, null)
				self.feed_price -= item.price * 1;
				if(item.discount_price){
					self.discount_price -=item.discount_price
				}else{
					self.discount_price -=0
				}
				let n = self.feed_name.indexOf(item.feed_name);
				if (n > -1) {
					self.feed_name.splice(n, 1)
				}
			} else {
				self.$set(self.form.show_sku.feed, index, index)
				self.feed_price += item.price * 1;
				if(item.discount_price){
					self.discount_price +=item.discount_price
				}else{
					self.discount_price +=0
				}
				self.feed_name.push(item.feed_name)

			}
			// 更新商品规格信息
			self.updateSpecProduct();
		},
		updateSpecProduct() {
			this.product_price = this.form.show_sku.product_price;
			console.log(this.product_lineprice)
			this.product_lineprice = this.form.show_sku.line_price;
		},
		/*商品增加*/
		add() {
			if (this.stock <= 0) {
				uni.showToast({
					title: '商品库存不足',
					icon: 'none',
					duration: 2000
				});
				return;
			}
			this.form.show_sku.sum++;
		},
		/*商品减少*/
		sub() {
			if (this.stock <= 0) {
				return;
			}
			if (this.form.show_sku.sum < 2) {
				uni.showToast({
					title: '商品数量至少为1',
					icon: 'none',
					duration: 2000
				});
				return false;
			}
			this.form.show_sku.sum--;
		},
		/*确认提交*/
		confirmFunc() {
			if (this.clock) {
				return
			}
			if (this.form.show_sku.product_sku_id[0] == null && this.form.detail.spec_type == 20) {
				uni.showToast({
					title: '请选择规格',
					icon: 'none',
					duration: 2000
				});
				return;
			}
			if (this.form.detail.product_attr != null) {
				for (let i = 0; i < this.form.detail.product_attr.length; i++) {
					if (this.form.show_sku.attr[i] == null) {
						uni.showToast({
							title: '请选择属性',
							icon: 'none',
							duration: 2000
						});
						return;
					}
				}
			}
			if (this.form.show_sku.sum > this.form.show_sku.stock_num) {
				uni.showToast({
					title: '商品库存不足',
					icon: 'none',
					duration: 2000
				});
				return;
			}
			this.addCart();
		},
		/*加入购物车*/
		addCart() {
			let self = this;
			let feed = [];
			self.form.show_sku.feed.forEach((item, index) => {
				if (item != null) {
					feed.push(item)
				}
			})
			if (feed.length <= 0) {
				feed = ''
			} else {
				feed = feed.join(',')
			}
			let price = '';
			if(self.discount_price){
				price = self.discount_price * 1 + self.product_price * 1;
			}else{
				price = self.feed_price * 1 + self.product_price * 1;
			}
			let params = {
				product_id: self.form.detail.product_id,
				product_num: self.form.show_sku.sum,
				product_sku_id: self.form.show_sku.product_sku_id[0],
				attr: self.form.show_sku.attr.join(','),
				feed: feed,
				describe: self.describe(),
				price: price,
				product_price: self.feed_price * 1 + self.form.show_sku.line_price * 1,
				bag_price: self.form.show_sku.bag_price,
				shop_supplier_id: self.form.shop_supplier_id,
				cart_type: self.cart_type,
				dinner_type: self.dinner_type,
				delivery:self.delivery
			}
			let url = 'order.cart/add';
			
			self.clock = true;
			self._post(url, params, function(res) {
				self.clock = false;
				// #ifndef H5
				uni.navigateBack();
				// #endif
				// #ifdef H5
				history.go(-1);
				// #endif
			}, (err) => {
				self.clock = false;
			});
		},
	}
}
</script>

<style lang="scss">
@import './menu.scss';

.header {
	position: fixed;
	z-index: 2;
	width: 100%;
	left: 0;
	top: 0;
}

.spec-bottom {
	position: fixed;
	width: 100%;
	bottom: 0;
	z-index: 2;
}

.good-detail-modal {
	padding-bottom: calc(310rpx + env(safe-area-inset-bottom));
}

.sell-point {
	margin-top: 26rpx;
}

.detail {
	width: 100%;
	padding-top: 24rpx;

	.wrapper {
		width: 100%;
		height: 100%;
		overflow: hidden;
		border: 0;

		.basic {
			padding: 0 26rpx;
			box-sizing: border-box;
			display: flex;
			flex-direction: column;

			.name {
				font-size: $font-size-base;
				color: $text-color-base;
				margin-bottom: 10rpx;
			}

			.tips {
				font-size: $font-size-sm;
				color: $text-color-grey;
			}
		}
	}
}
</style>
